No place on Earth quite compares to Antarctica, this stunning and vast continent is cold and windy, containing 90% of the ice in the world. Those who brave a visit here are rewarded with beautiful glaciers that must be seen to be believed, and a vast array of wildlife such as whales, penguins, Arctic foxes and seals.

Graz, Austria's second-largest city, is a hidden gem that offers a perfect blend of history, culture, and modernity. Its well-preserved medieval old town, a UNESCO World Heritage Site, invites visitors to stroll through cobblestone streets lined with Renaissance courtyards and Baroque façades. At the heart of the city is the Schlossberg, a forested hill crowned by the iconic clock tower, Uhrturm.

Philippines capital located in the South China Sea. Fort Santiago and Baroque church San Agustin are among the city's attractions.

León, in northwest Spain, is a city where Roman, medieval, and modern layers coexist. Its historical heart features the León Cathedral with its remarkable stained glass, the Basilica of San Isidoro, and winding streets that hint at centuries of trade and culture.

Barranquilla sits near the mouth of the Magdalena River on Columbia's Caribbean side. It is a major seaport and a center of commerce, but everyone breaks loose for four days in February for one of the liveliest carnivals outside of Rio.